Triple

T22309325
Position Surface form Disambiguated ID Type / Status
Subject APT-S E551470 entity
Predicate programme P6928 FINISHED
Object British Rail Advanced Passenger Train programme
The British Rail Advanced Passenger Train programme was a pioneering but ultimately ill-fated British project to develop high-speed tilting trains for the UK rail network in the 1970s and 1980s.
 E1529804 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: British Rail Advanced Passenger Train programme | Statement: [APT-S, programme, British Rail Advanced Passenger Train programme]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: British Rail Advanced Passenger Train programme
Context triple: [APT-S, programme, British Rail Advanced Passenger Train programme]
  • A. British Railways Modernisation Plan
    The British Railways Modernisation Plan was a major post-war programme to transform and modernize Britain’s railway network through widespread dieselisation, electrification, and infrastructure upgrades.
  • B. British Rail InterCity 125
    The British Rail InterCity 125 is a high-speed diesel-powered train introduced in the 1970s that became iconic for revolutionizing long-distance rail travel in the UK.
  • C. Intercity Express Programme
    The Intercity Express Programme is a UK government-backed initiative to replace aging high-speed train fleets with modern, faster, and more efficient intercity trains on key rail routes.
  • D. British Rail Class 55 Deltic
    The British Rail Class 55 "Deltic" is a class of iconic high-powered diesel-electric locomotives that hauled express passenger services on Britain’s East Coast Main Line in the 1960s and 1970s.
  • E. British Rail Class 800
    The British Rail Class 800 is a family of bi-mode high-speed intercity trains used in the UK, notably on the Great Western and East Coast Main Lines.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: British Rail Advanced Passenger Train programme
Triple: [APT-S, programme, British Rail Advanced Passenger Train programme]
Generated description
The British Rail Advanced Passenger Train programme was a pioneering but ultimately ill-fated British project to develop high-speed tilting trains for the UK rail network in the 1970s and 1980s.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: British Rail Advanced Passenger Train programme
Target entity description: The British Rail Advanced Passenger Train programme was a pioneering but ultimately ill-fated British project to develop high-speed tilting trains for the UK rail network in the 1970s and 1980s.
  • A. British Railways Modernisation Plan
    The British Railways Modernisation Plan was a major post-war programme to transform and modernize Britain’s railway network through widespread dieselisation, electrification, and infrastructure upgrades.
  • B. British Rail InterCity 125
    The British Rail InterCity 125 is a high-speed diesel-powered train introduced in the 1970s that became iconic for revolutionizing long-distance rail travel in the UK.
  • C. Intercity Express Programme
    The Intercity Express Programme is a UK government-backed initiative to replace aging high-speed train fleets with modern, faster, and more efficient intercity trains on key rail routes.
  • D. British Rail Class 55 Deltic
    The British Rail Class 55 "Deltic" is a class of iconic high-powered diesel-electric locomotives that hauled express passenger services on Britain’s East Coast Main Line in the 1960s and 1970s.
  • E. British Rail Class 800
    The British Rail Class 800 is a family of bi-mode high-speed intercity trains used in the UK, notably on the Great Western and East Coast Main Lines.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69e11e46c0188190800181a4233f28fe completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f1574d53148190a1ec07f849e1ae9d completed April 29, 2026, 12:56 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0acca39c4c8190a418ec2ff1434122 completed May 18, 2026, 8:24 a.m.
NEDg Description generation batch_6a0acf8c37d48190990bc7e1152f98b3 completed May 18, 2026, 8:36 a.m.
NED2 Entity disambiguation (via description) batch_6a0acff349248190a13968f340cdebcf completed May 18, 2026, 8:38 a.m.
Created at: April 16, 2026, 8:42 p.m.